Tapered fit for most Cruiser tanks realistic leather-like panels reverse coil zippers to help keep out dust and dirt lockable hi-density rubber zipper pulls operate easily with gloves Clear touch screen device friendly top pocket for paper maps, GPS or smart phone bag maintains shape, has reflective piping and lined interior integrated rain cover packed in storage pouch wedge expandable section when more room is needed protective base material prevents slipping or marking dimensions: 10"L x 8"W x 4"H/10"L x 8"W x 6"H expanded holds 5 liters/7 liters expanded.